<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <!-- import CSS -->
  <link rel="stylesheet" href="https://cdn.staticfile.org/element-ui/2.15.9/theme-chalk/index.css">
  <style>
    body{
      margin: 0;/*去掉外边距*/
      background-image: url("images/bp.jpeg");
      background-size: cover;/*设置封面*/
      text-align: center;/*页面内部的文本居中*/
    }
    h1{
      font-size: 72px;
      color: #0096dc;
      margin-top: 10px;
    }

  </style>
</head>
<body>
<div id="app">
  <h1>欢迎来到教务系统</h1>
  <el-card style="width: 600px;height: 300px;margin-top: 350px; margin-left: 570px;
                background-color: rgba(255,255,255,0.3)">
    <!--label-width设置用户名这一列所占的宽度,如果不设置会显示在上面-->
    <el-form label-width="60px" style="width: 400px;margin: 50px auto">
      <el-form-item label="用户名">
        <el-input type="text" v-model="user.username"  placeholder="请输入用户名"></el-input>
      </el-form-item>
      <el-form-item label="密码">
        <el-input type="password" v-model="user.password"  placeholder="请输入密码"></el-input>
      </el-form-item>
      <el-form-item>
        <el-checkbox>记住用户名和密码</el-checkbox>
      </el-form-item>
      <el-form-item>
        <el-button style="position: relative;right: 30px"
                   type="primary" @click="login()">登录</el-button>
      </el-form-item>
    </el-form>
  </el-card>
</div>
</body>
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
<!-- import Vue before Element -->
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<!-- import JavaScript -->
<script src="https://cdn.staticfile.org/element-ui/2.15.9/index.min.js"></script>
<script>
  let v = new Vue({
    el: '#app',
    data: function () {
      return {
        user:{
          username:"",
          password:""
        }
      }
    },
    methods:{
      login(){
        axios.post("/login",v.user).then(function (response) {
          if (response.data==1){
            location.href="/admin.html"
          }else if (response.data==2){
            alert("用户名不存在!")
          }else {
            alert("密码错误!")
          }
        })
      }
    }
  })
</script>
</html>